CN101583004A - Projection image display apparatus and image display system - Google Patents
Projection image display apparatus and image display system Download PDFInfo
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- CN101583004A CN101583004A CNA2009101409147A CN200910140914A CN101583004A CN 101583004 A CN101583004 A CN 101583004A CN A2009101409147 A CNA2009101409147 A CN A2009101409147A CN 200910140914 A CN200910140914 A CN 200910140914A CN 101583004 A CN101583004 A CN 101583004A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3191—Testing thereof
- H04N9/3194—Testing thereof including sensor feedback
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Abstract
The invention provides a projection image display apparatus and an image display system. The projection image display apparatus (100) includes an image light generator (200) and a projection optics (300). The projection optics (300) includes a reflection mirror (320). The projection image display apparatus (100) includes a motion sensor (500) configured to detect a person being close to a projection region (210) and an image controller (252) configured to control an image to be displayed on a projection region depending on a detection result from the motion sensor (500). Then the projection image display apparatus with shortened distance between the projection image display apparatus and the projection plane is used to realize an application method for combining the projection image with the user.
Description
Technical field
The present invention relates to a kind of projection-type image display device and video display system with video optical system of project video light.
Background technology
In the past, well-known projection-type image display device had: the optical modulation element of the light that modulated light source is sent and will be incident upon projection lens on the projection surface (screen) from the light that optical modulation element penetrates.
Wherein, be necessary the distance of projection lens and screen elongated in order on screen, to become the earth display video.To this, propose a kind of utilization and will reflex to the speculum of screen side from the light that projection lens penetrates, seek the porjection type display system (as, patent documentation 1) of the shortening of the distance between projection-type image display device and the screen.
Wherein, when seeking the shortening of the distance between projection-type image display device and the screen, projection-type image display device becomes and approaches screen, for projection-type image display device enters user's the visual field, is necessary the projection of tilting up and down or laterally from screen.As, in above-mentioned porjection type display system, in move up position relation between optical modulation element and the projection optics system of upper and lower, and by utilizing concave mirror to carry out the shortening of projection distance and the projection of tilting as speculum.
[patent documentation 1] TOHKEMY 2006-235516 communique (claim 1, Fig. 1 etc.)
But,, consider projection-type image display device is arranged on ground or the table the new setting/projective techniques such as method of projection on this ground or table as the method to set up and the projective techniques of the projection-type image display device of the shortening that realizes projection distance.Which type of on the other hand, can in occasion, flexible Application not too be considered about new setting/projective techniques.
Summary of the invention
Thus, the present invention proposes in order to solve above-mentioned problem just, its purpose is to provide a kind of: utilize the projection-type image display device of the shortening of seeking the distance between projection-type image display device and the projection surface, and realize the projection-type image display device and the video display system of combination project video and user's the new method of applying flexibly.
The projection-type image display device that first feature is relevant has: generate the video photogenerated portion (video photogenerated portion 200) of video light and above-mentioned video light is projeced into projection optics system (projection optics system 300) on the projection surface.Above-mentioned projection optics system has the above-mentioned video reflection of light mirror (speculum 320) that reflection is penetrated from above-mentioned video photogenerated portion.Projection-type image display device possesses: according to the testing result of detection near people's inductive pick-up (people's inductive pick-up 500) of the people of above-mentioned projection surface, be controlled at the video control part (video control part 252) of the video that is shown on the above-mentioned projection surface.
Based on first feature, the video control part is controlled at the video that is shown on the projection surface according to the testing result of people's inductive pick-up.Therefore, under the people's who does not see the video that is shown on the projection surface situation, can suppress the unwanted demonstration of video.
In first feature, above-mentioned people's inductive pick-up detects moving of people.Above-mentioned video control part makes the display position of display video move in above-mentioned projection surface according to by the moving of the detected people of above-mentioned people's inductive pick-up.
The video display system that second feature is relevant has the prescribed path that moves along passer and a plurality of projection-type image display devices that are provided with.Each of above-mentioned a plurality of projection-type image display devices possesses: generate video light video photogenerated portion and with each corresponding projection surfaces of above-mentioned a plurality of projection-type image display devices on the projection optics system of the above-mentioned video light of projection.Above-mentioned projection optics system has the above-mentioned video reflection of light mirror that reflection is penetrated from above-mentioned video photogenerated portion.Each of above-mentioned a plurality of projection-type image display devices possesses: according to the video control part that the result is controlled at the video that is shown on the above-mentioned projection surface that detects that detects near people's inductive pick-up of the above-mentioned passer of above-mentioned projection surface.The above-mentioned video control part that is provided with in each of above-mentioned a plurality of projection-type image display devices continues the video that (draw I continue ぐ) is shown on above-mentioned projection surface along with moving of above-mentioned passer.
Based on the present invention, the projection-type image display device that can provide a kind of utilization to seek the shortening of the distance between projection-type image display device and the projection surface realizes making up the projection-type image display device and the video display system of project video and user's the new method of applying flexibly.
Description of drawings
Fig. 1 is the figure of the relevant projection-type image display device 100 of expression first execution mode.
Fig. 2 is the figure of the section of the relevant projection-type image display device 100 of expression first execution mode.
Fig. 3 is the figure of the formation of relevant video photogenerated portion 200 of expression first execution mode and projection optics system 300.
Fig. 4 is the figure of expression about the relevant control unit 250 of first execution mode.
Fig. 5 is the figure of expression about the relevant demonstration example of first execution mode.
Fig. 6 is the figure of the relevant display system of expression second execution mode.
Fig. 7 is the figure of the relevant control unit 250A of expression second execution mode.
Fig. 8 is the figure of expression about the relevant demonstration example of second execution mode.
Among the figure: 10-light source, 20-fly's-eye lens unit, 30-PBS array, the 40-display element, 41-light incident side deflecting plate, 42-exiting side deflecting plate, 50-crossed dichroic prism, 100-projection-type image display device, 111-dichroscope, the 112-dichroscope, 121～123-speculum, 131-capacitor lens (condenser lens), 140-capacitor lens, 151～152-relay lens, 200-video photogenerated portion, the 210-projected area, the 250-control unit, 251-obtaining section, 252-video control part, the 253-Department of Communication Force, the 300-projection optics system, 310-projection lens, 320-speculum, the 400-framework, the 400a-protective cover, 410-sees through zone, 500-people's inductive pick-up, the 600-external equipment, the 700-network.
Embodiment
Below, the projection-type image display device limit relevant about embodiments of the present invention describes with reference to the drawing limit.In addition, in the record of following drawing, in identical or similar part, enclose identical or similar symbol.
Just, drawing is a schematic diagram, and the ratio etc. that should be careful each size is different with reality.Therefore, concrete size etc. should be considered the following description and judges.In addition, even contain mutual size relationship each other or the different part of ratio is mathematical at image.
[first execution mode]
(configuration of projection-type image display device)
Below, describe with reference to the drawing limit about the configuration limit of the relevant projection-type image display device of first execution mode.Fig. 1 is the figure of the configuration of the relevant projection-type image display device 100 of expression first execution mode.As shown in Figure 1, projection-type image display device 100 is arranged in the wall of the current prescribed path of passer etc.Projection-type image display device 100 is display video on the field of projection 210 on the road surface that is arranged at prescribed path etc.
In addition, in the wall of prescribed path etc., be provided with a plurality of people's inductive pick-ups 500 (people's inductive pick-up 500a and people's inductive pick-up 500b).
People's (passer) that people's inductive pick-up 500 detects near projected area 210.The testing result of people's inductive pick-up 500 is sent in the projection-type image display device 100.
Wherein, preferred people's inductive pick-up 500 detects moving current people's (passer) such as prescribed path.
(formation of projection-type image display device)
Below, about the formation of the relevant projection-type image display device of first execution mode, the limit describes with reference to the drawing limit.Fig. 2 is the figure of the formation of the relevant projection-type image display device 100 of expression first execution mode.
As shown in Figure 2, projection-type image display device 100 has the framework 400 of accommodating video photogenerated portion 200 and projection optics system 300.In the first embodiment, the part of framework 400 constitutes protective cover 400a.
Video photogenerated portion 200 generates video light.Particularly, video photogenerated portion 200 has the display element 40 that penetrates video light at least.Display element 40 is arranged on the position of moving relative to the optical axis L of projection optics system 300.Be arranged on the inclination projection that can realize video light from position that optical axis L moves by display element 40.Display element 40 for example is reflective liquid crystal panel, permeation type liquid crystal panel, DMD (Digital Micromirror Device) etc.(with reference to Fig. 3) in detail as described later about video photogenerated portion 200.
The video light that projection optics system 300 projections are penetrated from video photogenerated portion 200.Wherein, projection optics system 300 project video light on projected area 210.Particularly, projection optics system 300 has projection lens 310 and speculum 320.
The video light that speculum 320 reflections are penetrated from projection lens 310.Speculum 320 at optically focused after the video light, wide-angle video light.For example, speculum 320 is the aspherical mirrors that have concave surface in video photogenerated portion 200 sides.
Protective cover 400a is the lid of protection speculum 320.Protective cover 400a is provided with on the light path of the video light that reflects with speculum 320 at least.Protective cover 400a has and sees through zone 410 through video light.
Thus, the projection optics system 300 video light that will see through zone 410 projects on the projected area 210.
(formation of video photogenerated portion)
Below, about the formation of the relevant video photogenerated portion of first execution mode, the limit describes with reference to the drawing limit.Fig. 3 is the relevant video photogenerated portion 200 of expression first execution mode and the figure of projection optics system 300.Video photogenerated portion 200 also has power circuit (not shown), video processing circuit (not shown) etc. except formation as shown in Figure 3.Wherein, display element 40 is carried out illustration for the situation of permeation type liquid crystal panel.
Video photogenerated portion 200 has: light source 10, fly's-eye lens unit 20, PBS array 30, a plurality of liquid crystal panel 40 (liquid crystal panel 40R, liquid crystal panel 40G, liquid crystal panel 40B) and crossed dichroic prism 50.
In addition, video photogenerated portion 200 has mirror group (dichroscope 111, dichroscope 112, speculum 121～speculum 123) and set of lenses (capacitor lens 131, capacitor lens 140R, capacitor lens 140G, capacitor lens 140B, relay lens 151, relay lens 152).
The light homogenization that fly's-eye lens unit 20 sends light source 10.That is, fly's-eye lens unit 20 is in the light that light source 10 sends, with the light quantity difference homogenization of central portion beam split and periphery beam split.Particularly, fly's-eye lens unit 20 is to be made of fly's-eye lens unit 20a and fly's-eye lens unit 20b.
Each free a plurality of small lens of fly's-eye lens 20a and fly's-eye lens 20b constitute.The illumination that each micro lens sends according to light source 10 is mapped to the light that the mode on whole of liquid crystal panel 40 guides light source 10 to send.
The red one-tenth beam split that 112 pairs of dichroscopes have seen through in the light behind the dichroscope 111 sees through.The green one-tenth beam split that 112 pairs of dichroscopes have seen through in the light behind the dichroscope 111 is reflected.
The feed side that relay lens 151, relay lens 152 limits suppress red one-tenth beam split makes on liquid crystal panel 40R that red composition is wide to cause imaging.
Equally, liquid crystal panel 40G and liquid crystal panel 40B greenly become beam split and blue composition polarisation of light light direction to rotate to modulate green one-tenth beam split and bluely become beam split by making respectively.Light incident side face at liquid crystal panel 40G is provided with light incident side polarization plate 41G, is provided with exiting side polarization plate 42G in the light-emitting face side of liquid crystal panel 40G.Light incident side face at liquid crystal panel 40B is provided with light incident side polarization plate 41B, is provided with exiting side polarization plate 42B in the light-emitting face side of liquid crystal panel 40B.
The crossed dichroic prism 50 synthetic light that penetrate from liquid crystal panel 40R, liquid crystal panel 40G, liquid crystal panel 40B.Crossed dichroic prism 50 penetrates synthetic light in projection lens 310 sides.
(function of projection-type image display device)
Below, the function limit of the relevant projection-type image display device of first execution mode is described with reference to the drawing limit.Fig. 4 is the block diagram that expression is arranged on the control unit 250 in the relevant projection-type image display device 100 of first execution mode.Control unit 250 is arranged in the video photogenerated portion 200.
As shown in Figure 4, control unit 250 has obtaining section 251 and video control part 252.
Obtaining section 251 obtains video data from the external equipment 600 of DVD regenerating unit etc.Video data is the data that are used for display video on projected area 210.The video that is shown on projected area 210 contains advertisement relative with the passer of the prescribed path of passing through etc. etc.
Particularly, video control part 252 utilizes the video data of obtaining from obtaining section 251, display video on projected area 210 according to the testing result of people's inductive pick-up 500.That is, video control part 252 under the situation of people's (passer) near projected area 210, display video on projected area 210.
At this, preferred video control part 252 makes the display position of display video move in projected area 210 according to by the moving of people's inductive pick-up 500 detected people (passer).
And then preferred video control part 252 changes the translational speed of display position according to people's's (passer) translational speed.For example, video control part 252 quickens the translational speed of display position under the fast situation of people's's (passer) translational speed.
(the demonstration example of video)
Below, about the demonstration example of the relevant video of first execution mode, the limit describes with reference to the drawing limit.Fig. 5 is the figure of the demonstration example of the relevant video of expression first execution mode.In addition, consider situation about in Fig. 5, moving along the A direction about user X.
At first, under the situation of user X near projected area 210, projection-type image display device 100 is display video Y (video Y on projected area 210
1).Then, projection-type image display device 100 makes video Y from video Y on projected area 210 along the moving direction (A direction) of user X
1To video Y
4Mobile display position.
In addition, preferred, users X under the situation that right and left moves up, projection-type image display device 100 track user X and display position is moved.
(effect and effect)
In the first embodiment, video control part 252 is controlled at the video that is shown on the projected area 210 according to the testing result of people's inductive pick-up 500.Particularly, video control part 252 under the situation of people near projected area 210, display video on projected area 210.Therefore, under the people's who does not see at the video that is shown on the projected area 210 situation, can suppress the unwanted demonstration of video.
In addition, video control part 252 moves according to the people's, and the display position of display video in projected area 210 is moved.Therefore, the people in moving is easy to see the video that is shown on projected area 210.
[second execution mode]
Below, describe with reference to the drawing limit about the second execution mode limit.Below, serve as main describing with the difference of first execution mode and second execution mode.
In second execution mode, video display devices has a plurality of projection-type image display devices that are provided with along prescribed path.The video that a plurality of projection-type image display devices show on projection surface is along with the people
The moving and continued (draw I continue ぐ) of (passer).
(formation of video display system)
Below, about the formation of the relevant video display system of second execution mode, the limit describes with reference to the drawing limit.Fig. 6 is the figure of the relevant video display system of expression second execution mode.
As shown in Figure 6, video display system has a plurality of projection-type image display devices 100 (projection-type image display device 100a～projection-type image display device 100c) that are provided with along prescribed path.
Each projection-type image display device 100 is identical with first execution mode, is provided with in the wall of the current prescribed path of passer etc.Display video is gone up in the projected area 210 (projected area 210a～projected area 210c) that each projection-type image display device 100 is provided with on the road surface of prescribed path etc.Each projection-type image display device 100 is via the network of LAN etc. and connect.
In the wall of prescribed path etc., identical with first execution mode, be provided with a plurality of people's inductive pick-ups 500 (people's inductive pick-up 500a～people's inductive pick-up 500d).
(function of projection-type image display device)
Below, describe with reference to the drawing limit about the function limit of the relevant projection-type image display device of second execution mode.Fig. 7 is the block diagram that is illustrated in the control unit 250A that is provided with in the relevant projection-type image display device 100 of second execution mode.Control unit 250A is provided with in video photogenerated portion 200.In addition, in Fig. 7 about enclosing same symbol with the same formation of Fig. 4.
As shown in Figure 7, control unit 250A has Department of Communication Force 253 except formation shown in Figure 4.Department of Communication Force 253 is connected with network 700.Department of Communication Force 253 is obtained the state of the video that other projection-type image display device 100 shows on projected area 210 from network.The state of video is the progress status etc. of demonstration of content, the video of video.In addition, above-mentioned other projection-type image display device 100 is to be illustrated on user's direction of arrival in abutting connection with the projection-type image display device 100 from device.
Above-mentioned video control part 252 is based on the state of the video of being obtained by Department of Communication Force 253, continues the video that is shown on projected area 210 by other projection-type image display device 100.
Particularly, video control part 252 is detecting near under people's the situation of the projected area 210 of device, determines the video content identical with other projection-type image display device 100.In addition, video control part 252 is determined the progress displaying state of the video that other projection-type image display device 100 shows.Then, video control part 252 continues the video that other projection-type image display device 100 shows, with device is corresponding certainly projected area 210 on display video.
(the demonstration example of video)
Below, about the demonstration example of the relevant video of second execution mode, the limit describes with reference to the drawing limit.Fig. 8 is the figure of the demonstration example of the relevant video of expression second execution mode.In addition, in Fig. 8, user X is considered along the situation that the A direction moves.
At first, under the situation of user X near projected area 210a, projection-type image display device 100a is display video Y (video Y on the 210a of projected area
1).Then, projection-type image display device 100a is along the moving direction (A direction) of user X, on the 210a of projected area with video Y from video Y
1To video Y
4Display position is moved.
Secondly, under the situation of user X near projected area 210b, projection-type image display device 100b is display video Y (video Y on the 210b of projected area
5).Wherein, projection-type image display device 100b shows continuation video Y
4Video Y.Then, projection-type image display device 100b is along the moving direction (A direction) of user X, on the 210b of projected area with video Y from video Y
5To video Y
8Display position is moved.
(effect and effect)
In second execution mode, each projection-type image display device 100 is transferred the video that shows along with people's's (passer) moves on projection surface.Therefore, the video that is shown by a plurality of projection-type image display devices 100 can make it hold continuous flowing.
[other execution modes]
The present invention is illustrated by above-mentioned execution mode, but as the argumentation and the drawing of the part of the disclosure, should not be construed as limiting this invention.Those skilled in the art can clear and definite all replacement execution mode, embodiment and application technology by this invention.
Though do not mention especially in the above-described embodiment, protective cover 400a also can have the opening that is communicated with projected area 210 sides from speculum 320.See through regional 410 also such openings.
In the above-described embodiment, though do not mention especially, at least a portion of protective cover 400a can be made of the photopermeability parts of transparent resin or glass etc.Seeing through zone 410 also can be made of such photopermeability parts.
Though do not mention near preferred seeing through 410 positions that are arranged on by speculum 320 optically focused video light, zone in the above-described embodiment especially.Thus, can reduce to see through the size in zone 410.For example, seeing through under the situation as opening of zone 410, dust etc. is difficult to enter in the protective cover 400a.Seeing through under 410 situations about constituting of zone, be difficult to the photopermeability parts are produced injury by the photopermeability parts.
In the above-described embodiment, carry out example to utilizing aspherical mirror as the situation of speculum 320, but speculum 320 is not limited thereto.For example, also can utilize the free form surface mirror as speculum 320.About aberration or resolution, if spended time also can utilize spherical mirror as speculum 320.
In the above-described embodiment, the situation (3 is board-like) of utilizing a plurality of display elements 40 has been carried out example as the formation of video photogenerated portion 200, but the formation of video photogenerated portion 200 is not limited thereto.Also can utilize the formation of single display element 40 (one-board) as video photogenerated portion 200.
In the above-described embodiment, projection-type image display device 100 is arranged in the wall of prescribed path, but the configuration of projection-type image display device 100 is not limited thereto.Projection-type image display device 100 also can be arranged on ceiling or floor etc.
In the above-described embodiment, projected area 210 is arranged on the ground of prescribed path, but the position of projected area 210 is not limited thereto.Projected area 210 also can be arranged on wall or the ceiling face.
In the above-described embodiment, situation about on prescribed path, being provided with about projection-type image display device 100 example only.Projection-type image display device 100 can be arranged on all places as the lavatory of the facility in hotel etc., garden, museum, botanical garden, zoo etc.
In the above-described embodiment, people's inductive pick-up 500 is arranged on the wall of prescribed path etc., but the configuration of people's inductive pick-up 500 is not limited thereto.Particularly, people's inductive pick-up 500 also can be arranged on the projection-type image display device 100.People's inductive pick-up 500 also can be arranged on floor or the ceiling.
Though do not mention especially that in the second above-mentioned execution mode Department of Communication Force 253 also can directly be obtained the state by the video of other projection-type image display devices 100 demonstrations from other projection-type image display device 100.In addition, Department of Communication Force 253 also can be obtained the state of the video that is shown by other projection-type image display device 100 from Management Service Department.In addition, Management Service Department is the service department of management by the state of the video of a plurality of projection-type image display devices 100 demonstrations.
According to each execution mode, as described above, by being set, speculum 320 can shorten distance between projection-type image display device and the projection surface.Therefore, when people etc. enters between projection-type image display device and projection surface, can suppress to cover video light.In addition, under the situation of utilizing laser as light source 10, can reduce laser (video light) irradiation people's possibility.
Claims (3)
1. a projection-type image display device possesses: the video photogenerated portion that generates video light; With the projection optics system that described video light is incident upon on the projection surface,
Described projection optics system has the described video reflection of light mirror that reflection is penetrated from described video photogenerated portion,
Described projection-type image display device also possesses the video control part, and it is controlled at the video that is shown on the described projection surface according to the testing result of people's inductive pick-up that the people near described projection surface is detected.
2. projection-type image display device according to claim 1 is characterized in that,
Described people's inductive pick-up detects moving of people,
Described video control part moves the display position of display video in described projection surface according to by the moving of the detected people of described people's inductive pick-up.
3. video display system has a plurality of projection-type image display devices that the prescribed path that moves along passer is provided with,
Each of described a plurality of projection-type image display devices possesses: the video photogenerated portion that generates video light; And projection optics system, its with each corresponding projection surfaces of described a plurality of projection-type image display devices on the described video light of projection,
Described projection optics system has the described video reflection of light mirror that reflection is penetrated from described video photogenerated portion,
Each of described a plurality of projection-type image display devices possesses the video control part, and its testing result according to people's inductive pick-up that the described passer near described projection surface is detected is controlled at the video that is shown on the described projection surface,
Be arranged on described video control part in each of described a plurality of projection-type image display devices and continue the video that on described projection surface, is shown along with moving of described passer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008127573 | 2008-05-14 | ||
| JP2008127573A JP2009276561A (en) | 2008-05-14 | 2008-05-14 | Projection image display apparatus and image display system |
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| Publication Number | Publication Date |
|---|---|
| CN101583004A true CN101583004A (en) | 2009-11-18 |
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| CNA2009101409147A Pending CN101583004A (en) | 2008-05-14 | 2009-05-13 | Projection image display apparatus and image display system |
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| US (1) | US20090284714A1 (en) |
| JP (1) | JP2009276561A (en) |
| CN (1) | CN101583004A (en) |
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| JP4643583B2 (en) * | 2004-09-10 | 2011-03-02 | 株式会社日立製作所 | Display device and imaging device |
| JP2007062892A (en) * | 2005-08-30 | 2007-03-15 | Nippon Telegr & Teleph Corp <Ntt> | Information display device and its method |
| JP4771147B2 (en) * | 2005-10-24 | 2011-09-14 | 清水建設株式会社 | Route guidance system |
| JP4967573B2 (en) * | 2006-09-29 | 2012-07-04 | ブラザー工業株式会社 | Image projection device |
-
2008
- 2008-05-14 JP JP2008127573A patent/JP2009276561A/en active Pending
-
2009
- 2009-05-13 CN CNA2009101409147A patent/CN101583004A/en active Pending
- 2009-05-14 US US12/465,896 patent/US20090284714A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104052977A (en) * | 2014-06-12 | 2014-09-17 | 海信集团有限公司 | Interactive image projection method and device |
| CN104052977B (en) * | 2014-06-12 | 2016-05-25 | 海信集团有限公司 | A kind of interactive image projecting method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| US20090284714A1 (en) | 2009-11-19 |
| JP2009276561A (en) | 2009-11-26 |
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Application publication date: 20091118 |